From 8cca8454eaaddb82174ebad9d02fa5b3094c89dd Mon Sep 17 00:00:00 2001
From: Andy Spencer <andy753421@gmail.com>
Date: Mon, 17 May 2010 22:42:43 -0700
Subject: [PATCH] Add "Clean Cache" feature

This deletes any cached files that are more than a day old, based on
their mtime.

It might be useful to touch files when they are used in order to keep
them from being deleted.
---
 data/Makefile.am   |  3 +++
 data/main.ui.in    | 48 ++++++++++++++++++++++++++++++----------------
 src/aweather-gui.c | 32 ++++++++++++++++++++++++++++++-
 3 files changed, 66 insertions(+), 17 deletions(-)

diff --git a/data/Makefile.am b/data/Makefile.am
index 29dadf2..bec25f6 100644
--- a/data/Makefile.am
+++ b/data/Makefile.am
@@ -14,6 +14,9 @@ pixmapdir = $(datadir)/pixmaps
 dist_pixmap_DATA = aweather.png
 endif
 
+glade:
+	GLADE_CATALOG_PATH=. glade-3 main.ui.in
+
 .svg.png:
 	rsvg -w 48 -h 48 $< $@
 .png.ico:
diff --git a/data/main.ui.in b/data/main.ui.in
index 8f178b9..0067664 100644
--- a/data/main.ui.in
+++ b/data/main.ui.in
@@ -50,15 +50,24 @@
                       <object class="GtkCheckMenuItem" id="main_menu_file_offline">
                         <property name="visible">True</property>
                         <property name="tooltip_text" translatable="yes">Work offline</property>
-                        <property name="use_action_appearance">True</property>
                         <property name="related_action">offline</property>
+                        <property name="use_action_appearance">True</property>
                       </object>
                     </child>
                     <child>
                       <object class="GtkImageMenuItem" id="main_menu_file_prefs">
                         <property name="visible">True</property>
-                        <property name="use_action_appearance">True</property>
                         <property name="related_action">prefs</property>
+                        <property name="use_action_appearance">True</property>
+                        <property name="use_underline">True</property>
+                        <property name="use_stock">True</property>
+                      </object>
+                    </child>
+                    <child>
+                      <object class="GtkImageMenuItem" id="main_menu_file_cleancache">
+                        <property name="visible">True</property>
+                        <property name="related_action">cleancache</property>
+                        <property name="use_action_appearance">True</property>
                         <property name="use_underline">True</property>
                         <property name="use_stock">True</property>
                       </object>
@@ -71,8 +80,8 @@
                     <child>
                       <object class="GtkImageMenuItem" id="main_menu_file_quit">
                         <property name="visible">True</property>
-                        <property name="use_action_appearance">True</property>
                         <property name="related_action">quit</property>
+                        <property name="use_action_appearance">True</property>
                         <property name="use_underline">True</property>
                         <property name="use_stock">True</property>
                       </object>
@@ -92,8 +101,8 @@
                     <child>
                       <object class="GtkImageMenuItem" id="main_menu_view_zoomin">
                         <property name="visible">True</property>
-                        <property name="use_action_appearance">True</property>
                         <property name="related_action">zoomin</property>
+                        <property name="use_action_appearance">True</property>
                         <property name="use_underline">True</property>
                         <property name="use_stock">True</property>
                       </object>
@@ -101,8 +110,8 @@
                     <child>
                       <object class="GtkImageMenuItem" id="main_menu_view_zoomout">
                         <property name="visible">True</property>
-                        <property name="use_action_appearance">True</property>
                         <property name="related_action">zoomout</property>
+                        <property name="use_action_appearance">True</property>
                         <property name="use_underline">True</property>
                         <property name="use_stock">True</property>
                       </object>
@@ -115,8 +124,8 @@
                     <child>
                       <object class="GtkImageMenuItem" id="main_menu_view_refresh">
                         <property name="visible">True</property>
-                        <property name="use_action_appearance">True</property>
                         <property name="related_action">refresh</property>
+                        <property name="use_action_appearance">True</property>
                         <property name="use_underline">True</property>
                         <property name="use_stock">True</property>
                       </object>
@@ -136,11 +145,10 @@
                     <child>
                       <object class="GtkImageMenuItem" id="main_menu_help_contents">
                         <property name="visible">True</property>
-                        <property name="use_action_appearance">True</property>
                         <property name="related_action">contents</property>
+                        <property name="use_action_appearance">True</property>
                         <property name="use_underline">True</property>
                         <property name="use_stock">True</property>
-                        <signal name="activate" handler="on_help_contents"/>
                       </object>
                     </child>
                     <child>
@@ -151,8 +159,8 @@
                     <child>
                       <object class="GtkImageMenuItem" id="main_menu_help_about">
                         <property name="visible">True</property>
-                        <property name="use_action_appearance">True</property>
                         <property name="related_action">about</property>
+                        <property name="use_action_appearance">True</property>
                         <property name="use_underline">True</property>
                         <property name="use_stock">True</property>
                       </object>
@@ -174,8 +182,8 @@
             <child>
               <object class="GtkToolButton" id="main_tb_zoomin">
                 <property name="visible">True</property>
-                <property name="use_action_appearance">True</property>
                 <property name="related_action">zoomin</property>
+                <property name="use_action_appearance">True</property>
               </object>
               <packing>
                 <property name="expand">False</property>
@@ -185,8 +193,8 @@
             <child>
               <object class="GtkToolButton" id="main_tb_zoomout">
                 <property name="visible">True</property>
-                <property name="use_action_appearance">True</property>
                 <property name="related_action">zoomout</property>
+                <property name="use_action_appearance">True</property>
               </object>
               <packing>
                 <property name="expand">False</property>
@@ -205,8 +213,8 @@
             <child>
               <object class="GtkToggleToolButton" id="main_tb_offline">
                 <property name="visible">True</property>
-                <property name="use_action_appearance">True</property>
                 <property name="related_action">offline</property>
+                <property name="use_action_appearance">True</property>
                 <property name="label" translatable="yes">toolbutton3</property>
                 <property name="use_underline">True</property>
               </object>
@@ -218,8 +226,8 @@
             <child>
               <object class="GtkToolButton" id="main_tb_refresh">
                 <property name="visible">True</property>
-                <property name="use_action_appearance">True</property>
                 <property name="related_action">refresh</property>
+                <property name="use_action_appearance">True</property>
                 <property name="use_underline">True</property>
               </object>
               <packing>
@@ -239,8 +247,8 @@
             <child>
               <object class="GtkToolButton" id="main_tb_prefs">
                 <property name="visible">True</property>
-                <property name="use_action_appearance">True</property>
                 <property name="related_action">prefs</property>
+                <property name="use_action_appearance">True</property>
                 <property name="label" translatable="yes">toolbutton1</property>
                 <property name="use_underline">True</property>
               </object>
@@ -926,9 +934,9 @@ The hypothetical commands `show w' and `show c' should show the appropriate part
   </object>
   <object class="GtkSizeGroup" id="prefs_general_size">
     <widgets>
-      <widget name="prefs_general_site_label"/>
-      <widget name="prefs_general_url_label"/>
       <widget name="prefs_general_log_label"/>
+      <widget name="prefs_general_url_label"/>
+      <widget name="prefs_general_site_label"/>
     </widgets>
   </object>
   <object class="GtkAdjustment" id="prefs_general_log_adj">
@@ -940,5 +948,13 @@ The hypothetical commands `show w' and `show c' should show the appropriate part
     <property name="short_label">Contents</property>
     <property name="tooltip">AWeather Reference Manual</property>
     <property name="stock_id">gtk-help</property>
+    <signal name="activate" handler="on_contents"/>
+  </object>
+  <object class="GtkAction" id="cleancache">
+    <property name="label">Clean cache</property>
+    <property name="short_label">Clean cache</property>
+    <property name="tooltip">Clean out old cached files</property>
+    <property name="stock_id">gtk-clear</property>
+    <signal name="activate" handler="on_cleancache"/>
   </object>
 </interface>
diff --git a/src/aweather-gui.c b/src/aweather-gui.c
index 41069b0..59dbfaa 100644
--- a/src/aweather-gui.c
+++ b/src/aweather-gui.c
@@ -18,6 +18,7 @@
 #include <config.h>
 #include <gtk/gtk.h>
 #include <gdk/gdkkeysyms.h>
+#include <glib/gstdio.h>
 #include <math.h>
 
 #include <gis.h>
@@ -49,7 +50,36 @@ G_MODULE_EXPORT gboolean on_gui_key_press(GtkWidget *widget, GdkEventKey *event,
 	return FALSE;
 }
 
-G_MODULE_EXPORT void on_help_contents(GtkMenuItem *menu, AWeatherGui *self)
+static void cleancache_r(gchar *path)
+{
+	GDir *dir = g_dir_open(path, 0, NULL);
+	if (!dir)
+		return;
+	const gchar *child;
+	while ((child = g_dir_read_name(dir))) {
+		gchar *child_path = g_build_filename(path, child, NULL);
+		if (g_file_test(child_path, G_FILE_TEST_IS_DIR)) {
+			cleancache_r(child_path);
+		} else {
+			struct stat st;
+			g_stat(child_path, &st);
+			if (st.st_atime < time(NULL)-60*60*24)
+				g_remove(child_path);
+		}
+		g_free(child_path);
+	}
+	g_dir_close(dir);
+	g_rmdir(path);
+}
+G_MODULE_EXPORT void on_cleancache(GtkMenuItem *menu, AWeatherGui *self)
+{
+	g_debug("AWeatherGui: on_cleancache");
+	/* Todo: move this to libgis */
+	gchar *cache = g_build_filename(g_get_user_cache_dir(), "libgis", NULL);
+	cleancache_r(cache);
+}
+
+G_MODULE_EXPORT void on_contents(GtkMenuItem *menu, AWeatherGui *self)
 {
 	GError *err = NULL;
 	gchar *path = g_strdup(HTMLDIR "/aweather.html");
-- 
2.43.2